Welcome to the Android Open Source Project!
Android is an open source software stack for a wide range of mobile devices and a corresponding open source project led by Google. This site offers the information and source code you need to create custom variants of the Android stack, port devices and accessories to the Android platform, and ensure your devices meet compatibility requirements.
Android 6.0 Updates Available — see details below
What's New
The Android build team has reduced the size of over-the-air (OTA) updates by eliminating unnecessary file changes between builds. And the team now offers those same improvements to the public by describing them in Reducing OTA Size within the OTA Updates section.
See Trusty TEE for information about an optional set of components for a Trusted Execution Environment (TEE). Trusty consists of an operating system, drivers for the Android kernel (Linux), and libraries for Android systems software.
New Build Numbers have been published for Lollipop on Nexus 10 and Marshmallow on Nexus 5, Nexus 5X, Nexus 6, Nexus 6P, Nexus 7 (flo/deb), Nexus 9 (volantis/volantisg), Nexus Player, and Pixel C.
Android 6.0 R3, 5.1 R5, and 5.0 R4 Compatibility Test Suite (CTS) and CTS Verifier are available for Download .
The master branch of Android now requires JDK 8 to build. See Requirements for a summary of Java versions by Android release. See Setting up a Linux build environment or Setting up a Mac OS build environment for update instructions by operating system.
Android Engineering has written a detailed guide for understanding device-generated bug reports . This guide describes and provides examples of common errors and their associated causes, such as low memory . It even explains how to establish a narrative of the issue by syncing timelines across logs.
Getting Started
Get the complete Android platform and modify and build it to suit your needs. You can also contribute to the Android Open Source Project (AOSP) repository to make your changes available to everyone else in the Android ecosystem.
Port the latest Android platform and create compelling devices that your customers want.
Follow these examples and instructions to harden your Android devices against malicious attacks. Find out how the Android security program works and learn to implement the latest features.
Use the Site Feedback button at the bottom of any page to request improvements to the content or identify errors. In addition, source.android.com is maintained in the Android Open Source Project.
See the docs/source.android.com project log in AOSP for the complete list of changes to this site. Contribute your own updates to that same project and help maintain source.android.com.
Welcome to the Android Open Source Project! Android is an open source software stack for a wide range of mobile devices and a corresponding open source project led by Google.
This site offers the
